And it will be for his seed - From here they said that Pinchas was not a kohen until that very moment, when he stood up - as it is written (Malachi 2:5) "My covenant was with him was life and peace" From the [book of] commentary of Eliezer Ben Hyrkanus: "And he said 'I certainly was zealous for Ad-nai'" (I Kings 19:14) The Holy One of Blessing said to Eliahu: You were zealous regarding idolatry in Shittim, as it says: 'Pinchas the son of Eleazar etc.' and here you were certainly zealous!
For your life [I swear] that there will be no brit milah that Israel does and you don't see with your eyes. From here the sages established that a honorary seat will be made for Eliahu, who is the angel of the brit [milah] as it says "And the angel of My brit" (Malachi 3:1) The Holy One of Blessing said to Pinchas: 'you defended My children with your tongue, hold onto the jaw as a gift; you directed the spear on the belly of a man and a woman, hold onto [your] belly; you exerted yourself with your arm, hold your arm as you project peace between people - behold you will bless My children with peace, as it says "May Ad-nai give you favor and grant you peace" (Numbers 6:26) Resh Lakish said: Pinchas and Eliahu are one and the same.
The Holy One of Blessing said to him: you established peace between Me and the children of Israel, so too even in the future you will establish peace between Me and them, as it is written "behold I am sending to you Elijah the prophet" (Malachi 3:23) And it will be for him and his seed after him - that they will be blessed by Me;;forever.